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Superhigh-thermal conductivity silica brick for coke oven charing chamber furnace wall and preparation method thereof
The invention discloses a superhigh-thermal conductivity silica brick for a coke oven charing chamber furnace wall and a preparation method thereof. The superhigh-thermal conductivity silica brick comprises, by weight, 60-70% of crystalline silica, 10-20% of fused silica, 3-20% of waste silica bricks, 1-15% of Si3N4, 1-4% of an additive, 6.9-9.5% of a binder and 0.1-0.3% of a water reducer. The preparation method comprises the following steps of carrying out wet-grinding blending on the raw materials with the above ratio, carrying out mechanical pressing molding and carrying out drying roasting to obtain the superhigh-thermal conductivity silica brick. The superhigh-thermal conductivity silica brick has thermal conductivity of 2.50-2.60w/m.k improved by more than 25% than the traditional silica brick thermal conductivity and has obvious energy saving and emission reduction effects.
Superhigh-thermal conductivity silica brick for coke oven charing chamber furnace wall and preparation method thereof
The invention discloses a superhigh-thermal conductivity silica brick for a coke oven charing chamber furnace wall and a preparation method thereof. The superhigh-thermal conductivity silica brick comprises, by weight, 60-70% of crystalline silica, 10-20% of fused silica, 3-20% of waste silica bricks, 1-15% of Si3N4, 1-4% of an additive, 6.9-9.5% of a binder and 0.1-0.3% of a water reducer. The preparation method comprises the following steps of carrying out wet-grinding blending on the raw materials with the above ratio, carrying out mechanical pressing molding and carrying out drying roasting to obtain the superhigh-thermal conductivity silica brick. The superhigh-thermal conductivity silica brick has thermal conductivity of 2.50-2.60w/m.k improved by more than 25% than the traditional silica brick thermal conductivity and has obvious energy saving and emission reduction effects.
Superhigh-thermal conductivity silica brick for coke oven charing chamber furnace wall and preparation method thereof
BO JUN (author) / GAN FEIFANG (author) / ZHENG DESHENG (author) / LIU JIE (author) / ZANG CHUNYONG (author) / XU ZHIDONG (author) / WANG JIANWU (author) / TANG LI (author) / CHEN ZHIYONG (author)
2015-05-06
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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